connecting to a UniFi OS gateway through the WAN interface, you need to create a specific firewall rule to allow this. See this blog post on the Art of WiFi website for more details:https://artofwifi.net/blog/how-to-access-the-unifi-controller-by-wan-ip-or-hostname-on-a-udm-pro ...
See this blog post on the Art of WiFi website for more details: https://artofwifi.net/blog/how-to-access-the-unifi-controller-by-wan-ip-or-hostname-on-a-udm-proThe "custom firewall rule" approach described there is the recommended method....